@misc{indiciae31a258019fbc,
  title = {Timescales for nitrate contamination of spring waters, northern Florida, USA},
  author = {B. G. Katz and J.K. Böhlke and H.D. Hornsby},
  year = {2001},
  doi = {10.1016/s0009-2541(01)00321-7},
  url = {https://pubs.usgs.gov/publication/70023343},
  note = {Source identifier: 70023343}
}